<template>
  <view class="goods-item">
    <!-- 商品左侧图片区域 -->
    <view class="goods-item-left">
      <radio v-if="showRadio" :checked='goods.goods_state'  color="#C00000" @click="radioClickHandler"></radio>
      <image :src="goods.goods_small_logo || defaultPic" class="goods-pic"></image>
    </view>
    <!-- 商品右侧信息区域 -->
    <view class="goods-item-right">
      <!-- 商品标题 -->
      <view class="goods-name">{{goods.goods_name}}</view>
      <view class="goods-info-box">
        <!-- 商品价格 -->
        <view class="goods-price">￥{{goods.goods_price|toFixed}}</view>
        <!-- 商品的数量 -->
        <uni-number-box v-if="showNum" :min="1" :value="goods.goods_count" @change="numChangeHandler"></uni-number-box>
      </view>
    </view>
  </view>
</template>

<script>
  export default {
    props: {
      goods: {
        type: Object,
        default: {}
      },
      showRadio:{
        type:Boolean,
        default:false
      },
      showNum:{
        type:Boolean,
        default:false
      }
    },
    data() {
      return {
        // 默认的空图片
        defaultPic: 'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png',
      };
    },
    methods:{
      radioClickHandler(){
        this.$emit("radio-change",{
          // 商品的id
          goods_id:this.goods.goods_id,
          // 商品的状态 点击之后取反
          goods_state:!this.goods.goods_state,
        })
      },
      // 监听到了num-box组件数量变化
      numChangeHandler(val){
        // console.log(val)
        this.$emit("num-change",{
          // 商品的id
          goods_id:this.goods.goods_id,
          // 商品最新数量 +val和val-0是一样的转数字写法
          goods_count:+val,
        })
      },
    },
    filters:{
      toFixed(num) {
        return Number(num).toFixed(2)
      }
    }
  }
</script>

<style lang="scss">
  .goods-item {
    // border: 1px solid red;
    display: flex;
    padding: 10px 5px;
    border-bottom: 1px solid #f0f0f0;
    width: 750rpx;
    box-sizing: border-box;
    .goods-item-left {
      // border: 1px solid red;
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-right: 5px;

      .goods-pic {
        width: 100px;
        height: 100px;
        display: block;
      }
    }

    .goods-item-right {
      display: flex;
      flex: 1;
      flex-direction: column;
      justify-content: space-between;
      .goods-info-box{
        display: flex;
        justify-content: space-between;
        align-items: center;
      }
      .goods-name {
        font-size: 13px;
      }

      .goods-price {
        font-size: 16px;
        color: #c00000;
      }
    }
  }
  
</style>
